A randomized 25 question test from a pool of 761 questions, good luck!
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
From the answers below, chooses the best answer that does not affect the transmission of a signal with metal wire or cable.
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "G"?
There are several common components of signal converters. Which one is best described as connecting the input signal of one device, with the converter itself?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that converts a digital signal to 8 or 16 outputs?
Of the problems below, Which would be best mitigated by termination resistors?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a flashing alarm?
There are several types of converters. Which one of the answers below is best known as a "Bridges"?
There are several common components of signal converters. Which one is best described as connecting the input signal of one device, with the converter itself?
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
Which of the answers below best represents the recommended standard that uses a UART chip?
Redundant capability is critical for any DCS. Which of the redundancies below would function properly if no faults occur, and will shutdown if one occurs?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to design the GUI, including configuring tags and introducing specialized scripting?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses the conversion of dc voltage levels to ac to represent logic states?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
There are three parameters that need to be configured when manually addressing in IPv4. Which of the answers below represents the parameters that are required?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make the I/O of a DCS and it's associated controllers communicate?
The wired Ethernet transmission standards are defined by the OSI model layers. Which of the answers below is one of those defining layers?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
Which of the terms below is best described as "losses resulting from the amount of bends in an installation."?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the encoding of characters?
Which answer below is best described as the RS-232 standard for voltage range to receive a "Mark"?